The FDA recommended that anyone who had tested negative over a period of nearly six months ask their doctor whether they should be tested a second time.

美国食品管理局当时建议，测出阴性反应超过六个月的人应向医生咨询，确定是否需要再做一次测试。

youdao

Detection of the former general should visit a doctor who might have both positive and negative.

检测前医生一般应向就诊者说明可能产生的正反两方面的影响。

youdao

You should encourage her in her attempts to become a doctor, instead of being so negative about it.

你应该对他想要成为医生的想法给予鼓励，而不该对此抱那么消极的态度。

youdao

And more than half thought it would have a negative impact on their relationships with patients, while only 11 percent thought the doctor-patient relationship would be better.

FORBES: What Do Actual Doctors Think About Obamacare Now?

The SEC said in its complaint that Sidney Gillman, a doctor who moonlighted as a medical consultant, tipped CR Intrinsic portfolio manager Mathew Martoma with safety data and eventually negative results in the trial of the drug made by drug firms Elan Corp. and Wyeth two weeks before they were made public in 2008.

WSJ: Fund pays $600M to settle insider trading charges